T-Mobile
4 breaches91M affected in allTelecomt-mobile.com
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Disclosed Aug 29, 2025Aug 29, 20251 year ago | Aug 29, 20251 year ago | Not stated | Telecom | Confirmed | 2 |
| Abused API leaks account data of 37 million T-Mobile customersJan 19, 20233 years agoHacking | Jan 19, 20233 years ago | Hacking | Telecom | Confirmed | 37M |
| Cyberattack steals data of tens of millions of T-Mobile customers and applicantsOct 9, 20205 years agoHacking | Oct 9, 20205 years ago | Hacking | Telecom | Settled | 54M |
| Disclosed Dec 31, 2013Dec 31, 201312 years ago | Dec 31, 201312 years ago | Not stated | Telecom | Confirmed | Unknown |
About
Every breach here links to its sources and official notices. Across fru.dev: lawsuits, incidents and outages.
- 2026-09-25 · T-Mobile, 2013-12-31 · added
- 2026-09-25 · T-Mobile, 2020-10-09 · source: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-2020.pdf
- 2026-09-25 · T-Mobile, 2020-10-09 · disclosed: 2020-10-09
- 2026-09-25 · T-Mobile, 2020-10-09 · disclosed: 2021-02-09
- 2026-09-25 · T-Mobile, 2023-01-19 · occurred: 2023-02-24
- 2026-09-25 · T-Mobile, 2025-08-29 · added
- 2026-09-25 · T-Mobile, 2020-10-09 · status: settled
- 2026-09-25 · T-Mobile, 2020-10-09 · fine_usd: 350000000
- 2026-09-25 · T-Mobile, 2020-10-09 · lawsuit: $350M class action settlement plus $150M security spending commitment (2022)
- 2026-09-25 · T-Mobile, 2020-10-09 · data_types: ["names","government-id","source-code","internal-docs","dob","ssn","phone"]
- 2026-09-25 · T-Mobile, 2020-10-09 · disclosed: 2021-08-18
- 2026-09-25 · T-Mobile, 2020-10-09 · summary: T-Mobile said stolen files held data on about 7.8 million current postpaid accounts and just over 40 million former or prospective customers, including names, birth dates, Social Security numbers and driver's license details.
- 2026-09-25 · T-Mobile, 2020-10-09 · title: Cyberattack steals data of tens of millions of T-Mobile customers and applicants
- 2026-09-25 · T-Mobile, 2020-10-09 · attack: hacking
- 2026-09-25 · T-Mobile, 2020-10-09 · data_types: ["names","government-id","source-code","internal-docs"]
- 2026-09-25 · T-Mobile, 2020-10-09 · summary: T-Mobile said a bad actor used stolen credentials to access internal systems housing operational tools software, and that the intrusion was quickly shut down. KrebsOnSecurity reported the Lapsus$ group stole source code for a range of T-Mob
- 2026-09-25 · T-Mobile, 2020-10-09 · title: Lapsus$ uses stolen credentials to access T-Mobile internal tools and source code
- 2026-09-25 · T-Mobile, 2023-01-19 · added
- 2026-09-25 · T-Mobile · domain: t-mobile.com
- 2026-09-25 · T-Mobile, 2020-10-09 · added
- 2026-09-25 · T-Mobile · added